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10121201203 = 13997234597
BaseRepresentation
bin10010110110100010…
…10100011000110011
3222010100211021220211
421123101110120303
5131212011414303
64352152244551
7505545535141
oct113321243063
928110737824
1010121201203
1143241772a3
121b656a0757
13c53b45069
146c02b2591
153e384e66d
hex25b454633

10121201203 has 4 divisors (see below), whose sum is σ = 10128437200. Its totient is φ = 10113965208.

The previous prime is 10121201177. The next prime is 10121201227. The reversal of 10121201203 is 30210212101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30210212101 = 31974522971.

It is a cyclic number.

It is not a de Polignac number, because 10121201203 - 225 = 10087646771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121201003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615900 + ... + 3618697.

It is an arithmetic number, because the mean of its divisors is an integer number (2532109300).

Almost surely, 210121201203 is an apocalyptic number.

10121201203 is a deficient number, since it is larger than the sum of its proper divisors (7235997).

10121201203 is an equidigital number, since it uses as much as digits as its factorization.

10121201203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235996.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10121201203 its reverse (30210212101), we get a palindrome (40331413304).

The spelling of 10121201203 in words is "ten billion, one hundred twenty-one million, two hundred one thousand, two hundred three".

Divisors: 1 1399 7234597 10121201203